ImageSlot.py

   1 # -*- coding: utf-8 -*-
   2 # (c) 2003 Centre de Recherche en Informatique ENSMP Fontainebleau <http://cri.ensmp.fr>
   3 # (c) 2003 Benoît PIN <mailto:pin@cri.ensmp.fr>
   4 #
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License version 2 as published
   7 # by the Free Software Foundation.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program; if not, write to the Free Software
  16 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  17 # 02111-1307, USA.
  18 #
  19
  20 from OFS.Image import cookId
  21 from Globals import InitializeClass
  22
  23 from Products.CMFCore.permissions import View, ModifyPortalContent
  24 from AccessControl import ClassSecurityInfo
  25 from Products.Photo import Photo
  26 from BaseSlot import BaseSlot
  27
  28 factory_type_information = ( {'id'             : 'Image Slot',
  29                               'meta_type'      : 'Image Slot',
  30                               'description'    : "Image Slot for Mosaic Document",
  31                               'icon'           : 'mosaic_tool/photo_icon.gif',
  32                               'product'        : 'MosaicDocument',
  33                               'factory'        : 'addImageSlot',
  34                               'immediate_view' : 'view',
  35                               'actions'        :
  36                                 ({'id'            : 'view',
  37                                   'name'          : 'View',
  38                                   'action'        : 'slot_image_view',
  39                                   'permissions'   : (View, )
  40                                   },
  41
  42                                  {'id'            : 'edit',
  43                                   'name'          : 'Edit',
  44                                   'action'        : 'slot_image_form',
  45                                   'permissions'   : (ModifyPortalContent, )
  46                                   },
  47                                  )
  48                                },
  49                              )
  50
  51 class ImageSlot(BaseSlot, Photo) :
  52     """Slot"""
  53     meta_type = 'Image Slot'
  54     manage_options = Photo.manage_options
  55
  56     _indexableFields = ('title',)
  57
  58     security = ClassSecurityInfo()
  59
  60
  61     def __init__(self, parentContainer, id, title='', file='',
  62                  content_type='', precondition='', blankThumbnail = '', **kw) :
  63         blankThumbnailOb = None
  64         if blankThumbnail :
  65             blankThumbnailOb = parentContainer.restrictedTraverse(blankThumbnail)
  66         Photo.__init__(self, id, title=title, file=file,
  67                        defaultBlankThumbnail = blankThumbnailOb, **kw)
  68
  69
  70     # This method is overloaded to manage file upload.
  71     # It's necessary to use manage_upload method from image
  72     # because manage_upload invoke update_data and the overload of
  73     # update_data in Photo product update the internal thumbnail image.
  74     security.declareProtected(ModifyPortalContent, 'edit')
  75     def edit(self, title='', thumb_width='440', thumb_height='440', file='', REQUEST=None):
  76         """ Edit image slot"""
  77         if file :
  78             self.manage_upload(file=file)
  79
  80         if self.thumb_height != thumb_height or thumb_width != thumb_width :
  81             if thumb_width <= thumb_height :
  82                 self.manage_editProperties(thumb_width=thumb_width, thumb_height=thumb_height)
  83             else :
  84                 self.manage_editProperties(thumb_width=thumb_height, thumb_height=thumb_width)
  85         if title :
  86             self.manage_editProperties(title = title, no_refresh = 1)
  87
  88     view = index_html = __call__ = Photo.index_html
  89
  90 InitializeClass(ImageSlot)
  91
  92 def addImageSlot(dispatcher, id, file='', title='',
  93              precondition='', content_type='', REQUEST=None, **kw) :
  94     """
  95     Add a new Photo object.
  96     Creates a new Photo object 'id' with the contents of 'file'.
  97     """
  98     id=str(id)
  99     title=str(title)
 100     content_type=str(content_type)
 101     precondition=str(precondition)
 102
 103     id, title = cookId(id, title, file)
 104     parentContainer = dispatcher.Destination()
 105
 106     # First, we create the image without data:
 107     parentContainer._setObject(id, ImageSlot(parentContainer, id,title,'',content_type, precondition, **kw))
 108
 109     # Now we "upload" the data.  By doing this in two steps, we
 110     # can use a database trick to make the upload more efficient.
 111     if file:
 112         parentContainer._getOb(id).manage_upload(file)
 113     if content_type:
 114         parentContainer._getOb(id).content_type=content_type
 115
 116     if REQUEST is not None:
 117         try:    url=dispatcher.DestinationURL()
 118         except: url=REQUEST['URL1']
 119         REQUEST.RESPONSE.redirect('%s/manage_main' % url)
 120     return id